1056106988503 has 18 divisors (see below), whose sum is σ = 1232269799256. Its totient is φ = 905120365212.

The previous prime is 1056106988467. The next prime is 1056106988539. The reversal of 1056106988503 is 3058896016501.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (1056106988467) and next prime (1056106988539).

It is not a de Polignac number, because 1056106988503 - 2¹³ = 1056106980311 is a prime.

It is a super-2 number, since 2×1056106988503² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056106988003) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 133225126 + ... + 133233052.

It is an arithmetic number, because the mean of its divisors is an integer number (68459433292).

Almost surely, 2^{1056106988503} is an apocalyptic number.

1056106988503 is a deficient number, since it is larger than the sum of its proper divisors (176162810753).

1056106988503 is an frugal number, since it uses more digits than its factorization.

1056106988503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889 (or 7934 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 1056106988503 in words is "one trillion, fifty-six billion, one hundred six million, nine hundred eighty-eight thousand, five hundred three".